we will talk about that when we return. >> welcome back. in the u.s., barack obama says he will present a plan this week for cutting gun violence and month after the newtown massacre. >> it is thought the plan might include a ban on assault weapons, and there could be tighter controls on high- capacity ammunition clips as well as tougher background checks. >> what of the measure, one thing is for sure -- they will be controversial. here's a look at the latest data on guns in the u.s. and how they compare with europe. >> despite recurring shooting rampages, most recently in newtown, connecticut, before that in aurora, colorado, many americans still reject gun control. they say the right to bear arms is guaranteed by the u.s. constitution. the un estimates america has 88 guns for every 100 residents. guns are involved in about 30 murders per million residents. the contrast with europe is dramatic. britain has just 6.2 tons per hundred and less than one gun murder per million. germany has about 30 firearms per 100 residents. france even more,